Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1CST callsign genealogy
Currently held by Tapper, Corey
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K1CST's current licensee, walking backwards.
- Tapper, Corey SMAgranted 2009-08-24cancelled 2009-09-15
Successor callsigns
Callsigns held now by people who previously held K1CST.
No current licensee on record previously held this callsign.